# K964402: Versatrac (TM) Lumbar Retractor System

- Pathway: 510(k) (Traditional)
- Applicant: V. Mueller Neuro/Spine
- Decided: Jan 23, 1997 after 80 days
- Product code: GZT (Retractor, Self-Retaining, For Neurosurgery)
- Device class: 2
- Regulation: 21 CFR 882.4800
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
6 later devices descend from it; 5 cite it directly.
0 of 7 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K071771: Instrumed Retractors (2007), 2 descendants of its own
- K180610: Geister retractor for neuro - and spine surgery (2018), 1 descendant of its own
- K161004: Self-retaining Retractor (2016), 1 descendant of its own
- K252995: Durashield Device Kit (2026), 0 descendants of its own
- K161680: MEDICON Spinal Spreading Systems (2017), 0 descendants of its own

Source page: https://510kreport.com/device/K964402
Methodology: https://510kreport.com/methodology